单项选择题

下列（）不是ADO.NET的对象。

A．Connection
B．Command
C．DataReader
D．DataWriter

<上一题目录下一题>

热门试题

问答题

Complete the following sentences with the correct words in the box. travel cruise journey trips voyages tour We took a luxury _______ to The Caribbean, it was amazing.

问答题

具有n+1个节点的数值求积公式是插值型求积公式的充分必要条件是该公式至少具有次代数精度

相关试题